..                          
...                         
 #..#                       
  #...####          ##      
     #...### ##  ###.       
     #.x...##.##..#.        
     ###.##.....#..         
       #.#...### ...#       
       ..#$.##.# # .#       
      ..#.#..#.#. ######.   
     ..##.......##.#. ..    
    #....####.....#..#      
    ....#.....##.p.###   .. 
      .#  ...##..px . #  .#.
        #.... #...#...#  .. 
       ........###p  .##....
       ....... ####. ...##  
       ...$. ..#..#......   
          .... . ..#.# ## . 
          ...   .. #.. ∩ .. 
             . # . .p. ....#
             ..##..# .. .## 
            . .... .. .#.   
             . .#... ...§.. 
              # ....##..§§ .
            .  .#  ..  p # .
            . .. ##    ..   
               ...#.   #   #
              .   .# #    ##
            . . # ..#.#